Retouching-frame.



No. 632,643. Patented Sept. 5, I899. J. N. CHOATE.

BETOUCHING FRAME.

(Application filed Oct. 31, 1898.) (No Model.) 2 Sheets8heet l. I

//v VENTOH A TTOfiA/E rs WITNESSES No. 632,643. Patented Sept. 5, I899. J. N. CHOATE.

BETOUCHING FRAME.

(Application filed Oct. 31, 1898.)

2 SheetsSheat 2 (No odel.

l /NVENT0/? 75km Jr. walk? ATTORNEYS W T/VESSES. a

Pno'mu'rno" WASHINGTQN o c touched is held directly over this opening a UNITED STATES PATENT OFFIC JOHN N. OHOATE, or OARLISLE, PENNSYLVANIA.

RETOUCHlNG-FRAME- SPECIFICATION forming part of Letters Patent No. 632,643, dated September 5, 1899.

Application filed October 31, 1898.

To all whom, it Duty concern.-

Be it known that I, JOHN N. OHOATE, residing at Carlisle, in the county of Cumberland and State of Pennsylvania, have made certain new and useful Improvements in Ap paratus for Retouching Photographic Negatives, 'of which the following is a specification.

A superior artistic eifect can be produced in tatooing or retouching negatives by means of vibrations imparted to the negative itself instead of the retouching'pencil or the handof the operator holding the same. I have devised and obtained patents for improved apparatus for this purpose, and my present invention is an advance in the same direction;

The several novel features of construction and combination of parts constituting myin-' vention are hereinafter described and illustrated in accompanying drawings, two sheets, in which Figure 1 is a perspective view showing the apparatus arranged for use. Fig. 2 is a horizontal section of the same on line 2 2 of Fig. 3. Fig. 3 is a vertical longitudinal section of the apparatus on line 3 3, Fig. 2. Fig. 4 is a perspective view of the regulator or bar carrying the anvil. Fig. 5 is a cross-section on line 5 5 of Fig. 3.

The box-like rectangular frame A, on which the negatives w to be retouched are supported and clamped by means hereinafter described, has one end a inclined to adapt it to serve as a bottom or base when the apparatus is in use. Such base a'then resting on a table or shelf stands inclined, as shown in Figs. 1 and 2, and it is conveniently secured temporarily in such position by means of screw-clamps 13, applied as shown. The face or front side of the frame is covered by stiff paper-board a or a thin wooden board having a circular opening M, Fig. 3, at or about the middle. By preference the portion of said board a having said opening a is cut out from the main portion to reduce the resistance and that access may be readily had to the interior of frame A. The negative as which is to be reand supported independently or out of contact with'the board a, so that vibrations may. be imparted to it independently of the frame A. The means employed for this purpose is a clamp composed of a wooden piece or bar Serial No. 695,067. (No model.)

\ O and a screw-bolt D, having a wing or thumbnut E. Said bolt G passes through awooden piece or bar F, Figs. 2 and 3, arranged lengthwise of the frame A and flush with its face, being let into gains in the top bar a and the parallel crossbar a of said frame.

By adjusting the thumb-nut E the negative so may be clamped or released at will.

The bar F is held adjustably in place by means of a screw-bolt F, Fig. 3, that passes through a cross-bar H, forming part of the back of the frame A, and has a thumb-nut I, as shown. The lower end of such bar or piece Fis supported elastically, since it rests portant in function.

The cross-bar H rests at its ends on elastic strips h, Figs. 3 and 5, that lie upon cleats h, secured to the side bars of frame A. This provides an elastic bed for the piece F.

Vibrations are imparted to the clamp and the negative held by it by means of a hammer J, Fig. 2, which forms part of a magnetoelectric apparatus K, resembling or similar to that commonly used for vibrating or con tinuously ringing electric bells. The said apparatus K is attached by screws to the upper side of the transverse frame-bar a and the hammer J projects parallel to the latter and beneath the regulator-bar F before described. The head of said hammer J strikes upon an elastic anvil L, whose degree of elasticity may be varied at will. The same consists of a rubber block Z, attached to the under side of the aforesaid regulator piece or bar F and held by a metallic plate Z, having that is made adjustable to vary the normal distance between it and the hammer-head J. For this latter purpose I prefer to adjust the bar M lengthwise and provide it with a slope or incline at the point where the aforesaid strip on is applied. The enlarged outer end of said bar M is held by two screws N, that pass through the side of frame A and serve to adjust it lengthwise, whereby the incline varies the distance the hammer-head can recoil at each stroke. By this means a very delicate regulation of the force and effect of the stroke may be produced, ranging from a gentle or merely perceptible tremor to a decided and sudden jar.

The electric circuit of the magneto-electric vibrator K includes a hand-switch and posts I with clamp-screws on the outer side of the frame A, (see Figs. 1 and 2,) whose construction and arrangement have no peculiarity, and hence require no detailed description nor illustration.

By employing several battery-cells it is practicable to obtain a wide latitude of hammer-stroke and consequent vibration of the negative.

For the purpose of affording due support for a cloth Q, Fig. 1, which serves as a hood for excluding side light from the negative 00, I employ two arms R, the same being secured to the upper end of the frame A, on the sides thereof, and projecting at right angles to its face. The cloth Q. is hung loosely over these parallel bars or arms R, as shown. By removing one of the two screws 0' used to secure the said arms R the latter may be folded down alongside of and parallel to the sides of the boXframe A, and will thus be out of the way when it is required to stow away the apparatus or pack it for shipment.

A hand-rest S is provided in the form of a thin narrow board having end cleats. The same is supported when in use by screws 8, fixed in the side bars of frame A. This handrest is to relieve the negative and vibrator of the weight of the hand.

YVhat I claim is- 1. The combination with a suitable frame and a clamp adapted to support the negative out of contact with the adjacent portions of the frame, of ahammer for striking upon the clamp and thus imparting vibration to the same and to negative independently of the frame proper, substantially as shown and described.

2. The combination with the frame of a screw-clamp forholding the negative, an elastic block or anvil secured to said clamp, a hammer adapted to strike said anvil, and means for vibrating the ham mer,substantially as described.

3. In an apparatus for retouching negatives, the combination with the frame on which the negative rests, of the means for adjusting or regulating the rigidity of the basesupport for the negative, which comprises a bar resting on an elastic cushion and a screwclamp for holding it in place, substantially as shown and described.

at. In an apparatus for retouching negatives, the combination with the frame on which the negative is supported, of a clamp securing the said negative, a bar arranged beneath said clamp and having an elastic bed, a clam p-screw securing the two parts together, and another screw which regulates the pres sure of the under bar upon its bed, substantially as shown and described.

5. In an apparatus for retouching negatives, the combination with the frame forsupporting the negative, of a vibrator arranged beneath the surface of the same, an anvilcarrying bar arranged over said vibrator, and means for regulating the pressure of such bar upon its seat or bed, substantially as shown and described.

6. In an apparatus for retouching negatives, an anvil for the vibrator or hammer which comprises an elastic block a metal plate having a cut-out portion through which said block is accessible,and screws passing through the plate and regulating the pressure of the same upon the block, substantially as shown and described.

7. In an apparatus for retouching negatives, the combination with a frame for supporting the negative, of a vibrator or hammer, an elastic anvil for the same, and a bar to which said anvil is attached, the same resting upon an elastic bed and a clamp for regulating the pressure of said bar upon the bed, substantially as shown and described.

8. In an apparatus for retouching negatives, the combination with the frame for supporting the negative, of a vibrator and an anvil for the same, and a back-stop which is adjustable, to regulate the throw of the hammer, substantially as shown and described.

0. In an apparatus for retouching negatives, the combination with the frame for supporting the negative, of the vibrator or hammer and an anvil therefor, an adjustable back stop comprising an inclined surface which is adjustable for varying the distance between itself and the anvil, substantially as shown and described.

10. In an apparatus for retouching negatives, the combination with the frame for supporting the negative, of a vibrator or hammer, an anvil for the same, and the adjustable back-stop comprising a bar having an inclined surface on which said hammer strikes, and screws passing through the side of the frame for adjusting said bar endwise, substan tially as shown and described.

11. In an apparatus for retouching negatives,the combination with the frame support' ing the negative and having a central cut-out portion, of an electric vibrator arranged contiguously to said opening, an electric circuit and switch, the latter arranged on the outer ing an elastic bed, and a clamp-screw securside of said frame, and a suitable anvil aringthe twobarstogetheradjustablyas to pres- I0 ranged substantially as shown and described. sure, substantially as shown and described.

12. In an apparatus for retouchin ne atives, the combination with the frame For sdp- JOHN OHOATE' porting the negative, of a transverse bar ar- Witnesses: ranged at the back of said frame, an elastic R. BOTTOMLEY,

bed for said bar, an anvil-carrying bar hav- F. H. HOFFER. 

